diff options
Diffstat (limited to 'meta/recipes-connectivity/bluez5/bluez5/CVE-2021-3588.patch')
| -rw-r--r-- | meta/recipes-connectivity/bluez5/bluez5/CVE-2021-3588.patch | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/meta/recipes-connectivity/bluez5/bluez5/CVE-2021-3588.patch b/meta/recipes-connectivity/bluez5/bluez5/CVE-2021-3588.patch new file mode 100644 index 0000000000..f52ff47a06 --- /dev/null +++ b/meta/recipes-connectivity/bluez5/bluez5/CVE-2021-3588.patch @@ -0,0 +1,34 @@ +From 3a40bef49305f8327635b81ac8be52a3ca063d5a Mon Sep 17 00:00:00 2001 +From: Luiz Augusto von Dentz <luiz.von.dentz@intel.com> +Date: Mon, 4 Jan 2021 10:38:31 -0800 +Subject: [PATCH] gatt: Fix potential buffer out-of-bound + +When client features is read check if the offset is within the cli_feat +bounds. + +Fixes: https://github.com/bluez/bluez/issues/70 + ++Upstream-Status: Backport [https://git.kernel.org/pub/scm/bluetooth/bluez.git/commit/?id=3a40bef49305f8327635b81ac8be52a3ca063d5a] ++Signed-off-by: Steve Sakoman <steve@sakoman.com> ++CVE: CVE-2021-3588 + +--- + src/gatt-database.c | 5 +++++ + 1 file changed, 5 insertions(+) + +diff --git a/src/gatt-database.c b/src/gatt-database.c +index 90cc4bade..f2d7b5821 100644 +--- a/src/gatt-database.c ++++ b/src/gatt-database.c +@@ -1075,6 +1075,11 @@ static void cli_feat_read_cb(struct gatt_db_attribute *attrib, + goto done; + } + ++ if (offset >= sizeof(state->cli_feat)) { ++ ecode = BT_ATT_ERROR_INVALID_OFFSET; ++ goto done; ++ } ++ + len = sizeof(state->cli_feat) - offset; + value = len ? &state->cli_feat[offset] : NULL; + |